Security Updates for Microsoft Dynamics 365 (on-premises) (September 2021)

medium Nessus Plugin ID 153385
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

The Microsoft Dynamics 365 (on-premises) is missing a security update.

Description

The Microsoft Dynamics 365 (on-premises) is missing a security update. It is, therefore, affected by the following vulnerability:

- A cross-site scripting (XSS) vulnerability exists due to improper validation of user-supplied input before returning it to users. An attacker can exploit this by convincing a user to click a specially crafted URL, to execute arbitrary script code in a user's browser session. (CVE-2021-40440)

Solution

Microsoft has released the following security updates to address this issue:
-KB5006075
-KB5006076

See Also

http://www.nessus.org/u?d76e3f35

http://www.nessus.org/u?fe9bcee0

Plugin Details

Severity: Medium

ID: 153385

File Name: smb_nt_ms21_sep_microsoft_dynamics_365_bc.nasl

Version: 1.3

Type: local

Agent: windows

Published: 9/14/2021

Updated: 9/20/2021

Dependencies: microsoft_dynamics_365_business_central_server_win_installed.nbin

Risk Information

CVSS Score Source: CVE-2021-40440

VPR

Risk Factor: Low

Score: 3.4

CVSS v2

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.1

Vector: AV:N/AC:L/Au:S/C:P/I:P/A:N

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:microsoft:dynamics_365

Required KB Items: installed_sw/Microsoft Dynamics 365 Business Central Server

Exploit Ease: No known exploits are available

Patch Publication Date: 9/14/2021

Vulnerability Publication Date: 9/14/2021

Reference Information

CVE: CVE-2021-40440

MSKB: 5006075, 5006076

MSFT: MS21-5006075, MS21-5006076

IAVA: 2021-A-0427